Under IFRS:

(a) “probable” is defi ned as a level of likelihood of at least slightly more than 60%.

(b) a company should reduce a deferred tax asset when it is likely that some or all of it will not be realized by using a valuation allowance.

(c) a company considers only positive evidence when determining whether to recognize a deferred tax asset.

(d) deferred tax assets must be evaluated at the end of each accounting period.